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AUSCERT Security Bulletin
ASB-2009.1134.2
A vulnerability has been identifed in libexif prior to version 0.6.19
23 November 2009
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AusCERT Security Bulletin Summary
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Product: libexif
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2009-3895
Member content until: Wednesday, December 16 2009
Revision History: November 23 2009: Added CVE Reference
November 16 2009: Initial Release
OVERVIEW
A vulnerability has been identifed in libexif prior to version 0.6.19.
IMPACT
This vulnerability could be exploited to cause a denial of service,
a result of a "...heap buffer overflow during tag format
conversion". [1]
MITIGATION
Updating to the latest version of libexif can correct this
vulnerability and can be downloaded from SourceForge. [2]
REFERENCES
[1] SourceForge.net Repository
http://libexif.cvs.sourceforge.net/viewvc/libexif/libexif/NEWS?view=markup&pathrev=libexif-0_6_19-release
[2] Browse EXIF Tag Parsing Library Files on SourceForge.net
http://sourceforge.net/projects/libexif/files/
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
If you believe that your computer system has been compromised or attacked in
any way, we encourage you to let us know by completing the secure National IT
Incident Reporting Form at:
http://www.auscert.org.au/render.html?it=3192
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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